test deps

Author: Bernhard Grünewaldt

package.json

@@ -27,6 +27,7 @@
     "karma-cli": "^1.0.1",
     "karma-jasmine": "^1.0.2",
     "karma-jasmine-html-reporter": "^0.2.2",
+    "karma-coverage-istanbul-reporter": "^0.2.0",
     "karma-spec-reporter": "0.0.31",
     "karma-typescript": "^3.0.4",
     "ts-node": "~2.0.0",